Elevation of West Thumb, WY, USA

West Thumb Geyser Basin by Phil's Pixels

Rasta Springs by Fort Photo

Yellowstone Fumaroles by Twilight by Fort Photo

Clepsydra Geyser Permutations by Fort Photo

Yellowstone Falls Foambow by Fort Photo

Hot Spring Topography III by Fort Photo

Yellowstone Lake Silhouettes by Fort Photo

Yellowstone by Maarten Otto

Yellowstone Colors by Phil's Pixels

West Thumb Geyser Basin by Phil's Pixels

Grand Canyon of the Yellowstone by Fort Photo

Steamy... by Maverick

Yellowstone Lake Silhouette by Fort Photo

Crown Jewels by Fort Photo

A Slightly Different Sunset Pillar by Fort Photo

Getting warmer . . . by Brad Eide

Interlaced Cloud & Steam by Fort Photo

Boiling Pot of Martian Doom by Fort Photo

Yellowstone Lake Sunset Serenity by Fort Photo

Moonlit Fumaroles by Fort Photo

23827 by peterbaker

Reflections in Yellowstone Lake by annkelliott

Well, now we'll see where we go. by Aglez the city guy ☺

Steamset by Fort Photo

Porcelain Basin Pools by Fort Photo

Lower Falls of the Yellowstone by Fort Photo

Duck Lake - Yellowstone National Park, Wyoming by Andrea Moscato

Cobalt Blue Sunset by Fort Photo

Abyss Pool - Yellowstone National Park by greensteves

Percolating Spring by Sandra Lipproß

Morning Tranquility by RkyMtnGrl

...if the simple things of nature... by RkyMtnGrl

Hot spring at West Thumb by Thad Zajdowicz

Hot and Cold by eric t*

West Thumb Geyser Basin by P. Oglesby

Grand Canyon of the Yellowstone Prism by Fort Photo

Fishing Cone by eric t*

Lake shore Geyser, Yellowstone Lake, Yellowstone National Park by Pulok Pattanayak

Opening Day by ebhenders

Black Pool by Sandra Lipproß

Forest Moon Sunset by Fort Photo

Abyss Pool by Thad Zajdowicz

Geothermal Drainage by Fort Photo

Eternal Silver Thread by Fort Photo

mammoth hot springs by Karsten Hansen

Black Pool by Jill Clardy

Fishing Cone, Yellowstone National Park, Wyomin, USA - 1 by b_kohnert

Yellowstone Lake/West Thumb, Yellowstone National Park, Wyoming, USA - 1 by b_kohnert

Yellowstone Lake, WY by AbeWei阿笔

Yellowstone majesty by The1989Andrew

turquoise daydream by she, myself and eye

Colors of nature - West Thumb Paintpots by Thomas Frejek

West Thumb Geyser Basin, Yellowstone National Park, Wyoming, USA - 1 by b_kohnert

Camping Under the Stars by xldwoodslx

West Thumb Geyser Basin, Yellowstone National Park, Wyoming, USA by b_kohnert

West Thumb Geyser Basin, Yellowstone National Park, Wyoming, USA by b_kohnert

Black Pool in 2015 at Yellowstone National Park, Wyoming by D200-PAUL

_SG_2016_09_USA_Rocky_Mountain_0297_IMG_4128 by _SG_

West Thumb Geyser Basin, Yellowstone National Park, Wyoming, USA - 1 by b_kohnert

Black Pool, Blackpool Trail, Billings, Wyoming, USA - 1 by b_kohnert